FUNSHOWCASE Perfume Bottle, Silicone Mold Container, Chemical Solution Bottle, Small Bottle, Container, UV Resin, Epoxy Resin, Clay, Set of 6

does this require uv resin?

Small bottle container and stopper uv resin epoxy silicone mold jewelry casting 6 trays set - how can i get a replacement stopper? my dog ate one. lol

If these don't come with those decorations, where in the world do we find them. Like the bottle toppers to make them into necklaces?

Are all bottles supposed to have a center insert?